R. A. STUDHALTER AND F. D. HEALD 
Table I 
Results Obtained from the Tests of Healthy Chestnut Bark Below Blight Lesions 
Series i Series 2 
Collected at Martic Forge, Pa., in Collected at Martic Forge in after- 
afternoon of 12/22/13. noon of 1/5/14. 
Rainfall night of 12/21/13, 0.13 inch. Rainfall 1/3-4/14 and snow (melted). 
Date of cultures, 12/23/13. 1/4-5/14, 2.1 1 inches. 
Date of cultures, 1/6/14. 
Number 
of Test 
Distance Be- 
low Blight 
Lesion 
No. of Viable 
Pycnospores 
ot E. para- 
sitica per 
Sq. Cm. 
No. of Viable 
Spores of 
Other Fungi 
per Sq. Cm. 
Number 
of Test 
Distance Be- 
low Blight 
Lesion 
No. of Viable 
Pycnospores 
oi E. para- 
sitica per 
Sq. Cm. 
No. of Viable 
Spores of 
Other Fungi 
per Sq. Cm. 
I 
30 cm. 
15,556 
I, III 
8 
25 cm. 
3,889 
1,111 
2 
70 " 
21,667 
2,778 
9 
65 " 
566 
0 
3 
43 " 
6,111 
411 
10 
38 " 
0 
4,167 
4 
37 " 
4,688 
7.813 
II 
32 " 
3,333 
2,778 
5 
57 " 
6,771 
2,604 
12 
45 " 
28,125 
2,604 
6 
39 " 
833 
833 
13 
33 " 
2,500 
6,667 
7 
34 " 
12,778 
23,333 
14 
30 " 
24,242 
10,101 
Series j Series 4 
Collected at Martic Forge in after- Collected at West Chester, Pa., in 
noon of 1/26/14. afternoon of 1/26/14. 
Rainfall, 1/24/14, 1.21 inches. Rainfall, 1/24/14, 1.35 inches. 
Date of cultures, 1/27/14. Date of cultures, 1/27/14. 
15 
2 cm. 
4,611 
1,854 
22 
10 cm. 
633 
649 
16 
2 " 
667 
1,222 
23 
10 " 
256 
51 
17 
I " 
708 
0 
24 
15 " 
1,975 
814 
18 
28 " 
3,764 
3,667 
19 
2 " 
6,500 
5,729 
20 
I " 
1,458 
5,302 
21 
I " 
1,431 
7,500 
Series 5 Series 6 
Collected at West Chester, in Collected at West Chester, in 
afternoon of 5/26/14. afternoon of 6/5/14. 
Rainfall, 5/12/14, 0.56 inches. Rainfall, 6/4/14, 0.30 inches. 
Date of cultures, 5/27/14. Date of cultures, 6/6/14. 
25 
0.5 cm. 
0 
0 
34 
I cm. 
17,593 
0 
26 
I " 
33 
167 
35 
at edge 
35,185 
0 
27 
I " 
139 
641 
36 
2 cm. 
172,222 
5,556 
28 
0.5 " 
67 
33 
29 
5 " 
67 
100 
30 
1.2 " 
0 
0 
31 
.6 " 
1,181 
694 
32 
5 " 
0 
0 
33 
at edge 
0 
417 
